Product information

Use GrazonPRO® because:

  • It contains 60 g/L clopyralid + 240 g/L triclopyr. This combination provides excellent control of broad-leaved dock, curled dock, creeping thistle, spear thistle and common nettle and also has an effect on a large range of other weeds – see our weed list
  • It is one of very few products with a label which fully endorses the use via hand held application equipment
  • It is fast acting and controls a wide spectrum of weeds
  • It moves to the roots ensuring high levels of long-term control
  • Stock grazing can resume only 7 days after application (but longer if poisonous weeds such as ragwort are present)
  • It is very good value for money – 16 knapsacks from each litre of product when mixed in 10 litre batches
  • It is rainfast in only 2 hours and is very safe to grass.

Best Use Advice Spot treatment with GrazonPRO

  • GrazonPRO is a professional use product, therefore ensure all knapsack operators have necessary PA1 and PA6 qualifications
  • Service and maintain knapsack sprayers regularly and calibrate before use
  • Fit an appropriately sized nozzle to deliver a medium to fine spray pattern
  • Users should wear appropriate PPE when mixing and applying GrazonPRO: face shield, gloves, coveralls and rubber boots
  • Apply at the rate stated on the label – for GrazonPRO this is 60 ml in 10 L water
  • Apply chemical to a dry foliage area, avoid applications to disease or pest ridden targets as this will affect the efficacy of the spray
  • Spray to thoroughly wet the foliage of the target weed, but avoid application to the point of run-off.


Maximise success with GrazonPRO – 10 top tips:

  • Peel open the label and read in full before use
  • Use only through a knapsack or other hand held equipment, e.g. lance
  • The rate of application is 60 ml in 10 litres of water
  • Target weeds at the right size – young and actively growing is best. If you have topped the weeds first then wait 2-3 weeks for sufficient weed regrowth before spraying
  • Ensure your knapsack is properly maintained, clean and free of dirt with the nozzles able to deliver a consistent and even spray
  • Wear suitable protective clothing when handling and measuring the concentrate and whilst spraying – gloves, coveralls and rubber boots are essential
  • Spray until weed leaves are thoroughly wet, but stop before the spray runs off the leaves
  • GrazonPRO is LERAP Category B, so spray must not fall within 1 metre of the top of the bank of a flowing or static water body. Spray must be aimed away from the water
  • Keep other people and pets out of treated areas for at least 2 hours until spray has dried on leaf
  • When spraying is finished, clean out the tank, spray lines and nozzle, making sure the washings go on a treated area. If the GrazonPRO container is empty, rinse thoroughly 3 times with clean water and dispose of the rinsings on the treated area.


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Spray timings for Thistles

Too early
Just right
Too late

Spray timings for Docks

Too early
Just right
Too late